825074876429 has 2 divisors, whose sum is σ = 825074876430. Its totient is φ = 825074876428.

The previous prime is 825074876419. The next prime is 825074876449. The reversal of 825074876429 is 924678470528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 686859712900 + 138215163529 = 828770^2 + 371773^2 .

It is a cyclic number.

It is not a de Polignac number, because 825074876429 - 2²⁴ = 825058099213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825074876419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412537438214 + 412537438215.

It is an arithmetic number, because the mean of its divisors is an integer number (412537438215).

Almost surely, 2^825074876429 is an apocalyptic number.

It is an amenable number.

825074876429 is a deficient number, since it is larger than the sum of its proper divisors (1).

825074876429 is an equidigital number, since it uses as much as digits as its factorization.

825074876429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 825074876429 in words is "eight hundred twenty-five billion, seventy-four million, eight hundred seventy-six thousand, four hundred twenty-nine".